There are
2,863 mi
from Simi Valley, CA to Lake Grove, NY
That's the driving distance. It would take 2 days 3 hours to go from Simi Valley, California to Lake Grove, New York.
The flight distance (direct flight from Simi Valley, CA to Lake Grove, NY) is 2,513.24 mi.
2,863 mi = 3.22 kms